Great info. Thank You.

If you had to choose between AC or BE86 for full power 9mm loads which would you buy? Does one have more potential over the other?
Also, what about 147 gr. bullets, does AC or BE86 offer better performance?

Thank You for the info guys. The 9x19 guns I own should handle +p just fine. Beretta 92A1, Glock 19/17/34, M&P 9, CZ 75.

I have a question. Is the powder listed in the pull downs the actual powder used by the mfg. or is it a guess of possible powder types. I would work my way up to the charge listed, but just wondered if it is confirmed to be that powder at that load? As an example for the info below. Does that mean  underwood uses 6.2gr. of BE86 for that particular loading?

Powder Description/Positive ID/Type/Charge Weight: 6.2gr BE-86*
* Off white flakes noticable in powder

Hello guys, new member here. 
I am a seasoned reloader of about 30 years.
I currently have a few thousand 9mm 124 gr. Gold Dots and HST's.
I am wanting to clone the factory 124gr. +p  loadings from Speer and Federal.
I was considering AA#7, but have also read that folks are having success with BE86 and Autocomp.
What powder do y'all recommend I start with to reach full power 9mm 124gr. loads?
Any pet loads would also be appreciated to give me an idea of where the ceiling is.
Thanks in advance!